__
A. The climax association.
B. Pioneer plants.
C. A forest fire.
D. A disturbance in the balance of nature.
__
A. They no longer support it.
B. They were never interested in it.
C. They named it dynamic equilibrium.
D. They proposed it to replace polyclimax.
__
A. It prepares the environment for the forms that will replace it.
B. It is a stable environment that remains undisturbed in spite of conditions.
C. It assures that plants, animals, and minerals are replaced by exactly the same flora and fauna.
D. It is the only life that will ever be able to grow in areas where the balance of nature has been disturbed.
__
A. He agrees with using a cool fire to control wildfires.
B. He disagrees with the author of the textbook they are using.
C. He thinks that using a controlled burn is the only reasonable opinion.
D. He does not think that fire-prevention strategies influence forest fires.
__
A. Because the book is difficult to understand.
Because he is trying to relate the lecture to the book.
C. Because Dr. Green's lecture was not very clear.
D. Because he wants to interrupt Dr. Green.
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